The stock market on October 20, 1987
October 20, 1987, a Tuesday. The S&P 500 rose 5.33% to close at 236.83. Of 6,383 US stocks that traded, 621 rose and 4,986 fell.
The S&P 500+5.33%closed at 236.83
How big a move#141of 24,799 trading days since 1928
$100 in the index since$3,253price only, to September 24, 2026
Stocks that rose621of 6,383; 4,986 fell
Biggest companyInternational Business Machines Corporationby market value that day
Last day of trading for4stocks
Biggest rises among the 500 largest companies
| Honeywell International (HON) | +31.2% |
| J.P. Morgan (JPM.Z) | +27.9% |
| Telerate Inc (TLR) | +27.4% |
Biggest falls among the 500 largest companies
| Newmont Gold Co (NGC) | -30.4% |
| Wang Labs Inc (WANG) | -25.0% |
| Viad Corp (VVI) | -23.9% |
Stock moves count dividends; the index is price only. Market values after 2024 are estimates.
‹ October 19, 1987 · Every October 20 · October 21, 1987 ›
Ask the Lab what came after a day like thisHistory, not advice. How these numbers are made.